1
by Flügge, W., Grammel, R., Klotter, K., Marguerre, K.
Published 1950
Springer Berlin Heidelberg

2
by Grammel, R.
Published 1920
Vieweg+Teubner Verlag

3
by Grammel, R.
Published 1950
Springer Berlin Heidelberg

4
by Grammel, R.
Published 1929
Springer Berlin Heidelberg

5
by Biezeno, C. B., Grammel, R.
Published 1953
Springer Berlin Heidelberg

6
by Biezeno, C. B., Grammel, R.
Published 1953
Springer Berlin Heidelberg